<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="/static/bootstrap-3.3.7-dist/css/bootstrap.css" rel="stylesheet">
    <script src="/static/jquery-1.11.3.min.js"></script>
    <script src="/static/bootstrap-3.3.7-dist/js/bootstrap.js"></script>
</head>
<body>
<ul class="list-group">
    <li class="list-group-item">Cras justo odio</li>
    <li class="list-group-item">Dapibus ac facilisis in</li>
    <li class="list-group-item">Morbi leo risus</li>
    <li class="list-group-item">Porta ac consectetur ac</li>
    <li class="list-group-item">Vestibulum at eros</li>
</ul>
<div class="panel panel-default">
    <div class="panel-heading">Panel heading without title</div>
    <div class="panel-body">
        Panel content
    </div>
</div>

<div class="panel panel-default">
    <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
    </div>
    <div class="panel-body">
        Panel content
    </div>
</div>
</body>
</html>